The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By using the USDA zone info for New Castle it's a good idea to estimate when it's the best time to plant abutilon.

Planting Calendar for Abutilon

Frost tolerance for abutilon:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

Abutilon do not do well in cold weather which tells us that it is important to wait until it warms up after the last frost before you can plant them.

The earliest that you can plant abutilon in New Castle is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant abutilon and expect a good harvest is probably August. If you wait any later than that and your abutilon may not have a chance to grow to maturity. You can get started a little bit earlier by starting your abutilon indoors.

Last Frost Date

The average date of last frost is April 15 in New Castle. You should expect an average low temperature of -15°F in the coldest months of winter.

Since the USDA zone info for New Castle is an average the actual date of last frost will vary from year to year. Half of the time in New Castle there is a last frost after April 15 so make sure that you are ready to protect your abutilon in the event of one of those late frosts.

USDA Zone Info for New Castle

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in New Castle

You may be interested in your other planting guides for New Castle.